Difference between revisions of "2021-05-19"

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(New items for discussion:)
(Schedule)
 
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== Agenda ==
 
== Agenda ==
 
==== <u>Schedule</u> ====
 
==== <u>Schedule</u> ====
Rough timetable:
+
Long Term Schedule: [[Media:Ww-longterm.5.19.21.pdf|Gantt]] ([[Media:To-do-5.19.21.pdf|Outstanding tasks]])
# CMTF tests with C75-1 (late-March - early-June).
+
# UITF beam line modification
+
 
# Supplementary Shielding Installation: Mid-June
 
# Supplementary Shielding Installation: Mid-June
 
# Beamline Commissioning / Test Plans / Shielding Verification  
 
# Beamline Commissioning / Test Plans / Shielding Verification  
 
# 7/26/21 Start Hot Check-out
 
# 7/26/21 Start Hot Check-out
 
# Commission new beam line and execute experiment
 
# Commission new beam line and execute experiment
 
+
# Science!!!
Long Term Schedule (McCaughan) [[Media:Ww-longterm.5.12.21.pdf|Gantt]]
+
  
 
==== <u>New items for discussion:</u> ====
 
==== <u>New items for discussion:</u> ====
 
<u>Short term schedule update:</u><br>
 
<u>Short term schedule update:</u><br>
 
<u>This week:</u>  
 
<u>This week:</u>  
*PEPPo magnet/Solenoid installed on 80/20 (Completed)
+
* PEPPo magnet/Solenoid installed on 80/20 (Completed)
 +
* Alignment of big pieces (solenoid, viewer crosses, FC4) completed to ~100 micron tolerances per crew. Still awaiting report. (Completed)
 +
* Area up to transition after solenoid under vacuum; valve/bellow/bpm/spool installed. Pumping down and checking RGA now, but tentatively looks good.
 +
* Install 4 5/8" BPMs after insertion measurements completed; 1 found bad - stealing another. Installing good one to d.s. cross today (4/19).
 +
* Downstream viewer / FC cross assemblies nearly ready to leak check.
 +
 
 
*Gun work progressing well:
 
*Gun work progressing well:
*#[https://logbooks.jlab.org/entry/3876048 Sb evaporation source installed in depo chamber]
+
*# [https://logbooks.jlab.org/entry/3876048 Sb evaporation source installed in deposition chamber]
*#[https://logbooks.jlab.org/entry/3876613 R28 insulator on cathode found punctured on removal] Lubricant from HV cable got into gun through insulator, path forward under assessment likely [https://logbooks.jlab.org/entry/3876887 related] to [https://logbooks.jlab.org/entry/3871018 gun HV] [https://logbooks.jlab.org/entry/3871040 trip on 3/25]
+
*# [https://logbooks.jlab.org/entry/3876613 R28 insulator on cathode found punctured on removal] Lubricant from HV cable got into gun through insulator, path forward under assessment likely [https://logbooks.jlab.org/entry/3876887 related] to [https://logbooks.jlab.org/entry/3871018 gun HV] [https://logbooks.jlab.org/entry/3871040 trip on 3/25]
*#[https://wiki.jlab.org/ciswiki/index.php/Spring_2021_-_Rebuilding_Photogun Gun rebuild schedule]
+
*# [https://wiki.jlab.org/ciswiki/index.php/Spring_2021_-_Rebuilding_Photogun Gun rebuild schedule]
*#Minor SF6 leak in HV chamber identified; repair later...
+
*# Minor SF6 leak in HV chamber identified; repair later...
  
  
 
<u>Next Week:</u>
 
<u>Next Week:</u>
* Alignment today (Wed.) or Friday of big pieces (solenoid, viewer crosses, FC4); please avoid the area under survey.
+
* Roof tiles off for HDIce (5/24), Dilution refrigerator craned out (5/25), and then roof tiles replaced again (5/26). SRF (Fisher) will be relocating material on roof to accommodate.
* Get area up to transition after solenoid under vacuum. Install valve/bellow/bpm.
+
* Have spool pieces made and nipples welded
* Install 4 5/8" BPMs after insertion measurements completed
+
* Mount bottle rack in Labyrinth; remove gas bottles to rack.
* Break vacuum in FC3 region
+
 
  
 
<u>2 weeks:</u>
 
<u>2 weeks:</u>
*Roof tiles off for HDIce (5/24), Dilution refrigerator craned out (5/25), and then roof tiles replaced again (5/26). SRF (Fisher) will be relocating material on roof to accommodate.
+
*Wastewater experiment line fully under vacuum (with flange in place of the thin window).
 +
*Install target mechanism
 
*Build 80/20 support structure; add mounting plates/brackets/etc. (Pb table components awaiting delivery)
 
*Build 80/20 support structure; add mounting plates/brackets/etc. (Pb table components awaiting delivery)
*Pull Heliax from Sprectrum analyzer/Control room >> Buncher
+
*Pull Heliax from Spectrum analyzer/Control room >> Buncher
*Unistrut mounting for cables / gas bottle rack - Neal will do when available
+
*Unistrut mounting for cables - Neal will do when available
 
*4th terminal system in Control room under assembly/rebuild
 
*4th terminal system in Control room under assembly/rebuild
 +
 +
*Break vacuum in FC3 region
 
*Ready to install Al base plates for FC3 region rework as well as solenoid stand. FC3 plate awaiting machining.
 
*Ready to install Al base plates for FC3 region rework as well as solenoid stand. FC3 plate awaiting machining.
 
*[https://wiki.jlab.org/ciswiki/index.php/To-do_list Items from To-do list...]
 
*[https://wiki.jlab.org/ciswiki/index.php/To-do_list Items from To-do list...]
  
 
<u>Engineering</u>
 
<u>Engineering</u>
*Insertion measurements in progress on 4 5/8" BPMs
+
*Insertion measurements completed on 4 5/8" BPMs
 +
*Leo dropped VCG off for installation today.
  
 
Other business
 
Other business

Latest revision as of 08:58, 19 May 2021

Meeting Information

Connecting

To connect to the meeting, please do the following: Time: Wednesday at 9:00 AM EST.

  1. To join via a Web Browser, go to the page [1] https://bluejeans.com/946721076.
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Agenda

Schedule

Long Term Schedule: Gantt (Outstanding tasks)

  1. Supplementary Shielding Installation: Mid-June
  2. Beamline Commissioning / Test Plans / Shielding Verification
  3. 7/26/21 Start Hot Check-out
  4. Commission new beam line and execute experiment
  5. Science!!!

New items for discussion:

Short term schedule update:
This week:

  • PEPPo magnet/Solenoid installed on 80/20 (Completed)
  • Alignment of big pieces (solenoid, viewer crosses, FC4) completed to ~100 micron tolerances per crew. Still awaiting report. (Completed)
  • Area up to transition after solenoid under vacuum; valve/bellow/bpm/spool installed. Pumping down and checking RGA now, but tentatively looks good.
  • Install 4 5/8" BPMs after insertion measurements completed; 1 found bad - stealing another. Installing good one to d.s. cross today (4/19).
  • Downstream viewer / FC cross assemblies nearly ready to leak check.


Next Week:

  • Roof tiles off for HDIce (5/24), Dilution refrigerator craned out (5/25), and then roof tiles replaced again (5/26). SRF (Fisher) will be relocating material on roof to accommodate.
  • Have spool pieces made and nipples welded
  • Mount bottle rack in Labyrinth; remove gas bottles to rack.


2 weeks:

  • Wastewater experiment line fully under vacuum (with flange in place of the thin window).
  • Install target mechanism
  • Build 80/20 support structure; add mounting plates/brackets/etc. (Pb table components awaiting delivery)
  • Pull Heliax from Spectrum analyzer/Control room >> Buncher
  • Unistrut mounting for cables - Neal will do when available
  • 4th terminal system in Control room under assembly/rebuild
  • Break vacuum in FC3 region
  • Ready to install Al base plates for FC3 region rework as well as solenoid stand. FC3 plate awaiting machining.
  • Items from To-do list...

Engineering

  • Insertion measurements completed on 4 5/8" BPMs
  • Leo dropped VCG off for installation today.

Other business

Reports on Open Action Items:

Action Items:

  • Formal run plan (McCaughan)

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